Failed transaction

I bought a defender with Olympiacos for 8.3 miljon. But the player did not come in my squad while the money was gone. So now I have left. How can is solve this bug? And get the player or money back? The player is still at the Transfermarket

Login: (Login of the user with the bug)
Account: (Slot1, Slot2, Slot3, Slot4)
League number: (not mandatory if you don't know how to find it)
Date & Time of the bug: (This should be as accurate as possible, for developers to check error logs)
Platform: (Website PC/Mobile, Facebook, Android App, iPhone App, iPad App) ***
Screenshots: (Full screen - URL and time should be presented)
Bug step-by-step Description: (The ideal is that you describe all the steps you do to reproduce the error)

***For bugs related with the full website and Facebook versions, please add:
Browser: